Generator Backup
Automatic transfer between mains and generator to ensure continuous operation.
AUTOMATIC TRANSFER SWITCHESPower Transfer,
Power Transfer,
Engineered for Continuity
LSP is a source manufacturer of Automatic Transfer Switches (ATS) from 10A to 630A, serving importers, distributors, contractors and EPC companies across Europe, the Middle East, Africa and South America.
PC-Class 2P / 3P / 4P OEM / ODM
Find
Your Solution
Choose your application to explore suitable ATS products and solutions.
DIN-RAIL ATS
L2S Series
Compact design, reliable power transfer for distribution applications.
View L2S Series
HIGH-CURRENT ATS
G3M Series
Robust design for industrial and critical power applications up to 630A.
View G3M Series
L2S Series
10A – 125ADIN-rail Automatic Transfer Switches
L2H Series
40A – 63ACompact Modular Automatic Transfer Switches
M2R Series
40A – 100AIndustrial Modular Automatic Transfer Switches
Built for
Global Projects
A reliable manufacturing partner from concept to delivery.
- 1. Engineering ReviewDiscuss requirements and provide solution
- 2. Sample ConfirmationSample testing and customer approval
- 3. Quality InspectionStrict quality control in every process
- 4. Mass ProductionFlexible production and stable supply
- 5. Global DeliverySecure packaging and on-time shipment
Key
Applications
Reliable power transfer for a wide range of industries and critical applications.
Technical
Performance
A complete range from 10A to 630A with multiple configurations to meet diverse project requirements.
View Technical Data| Series | Current Range | Poles | Control Voltage | Installation | Typical Applications |
|---|---|---|---|---|---|
| L2S | 10A – 125A | 2P / 3P / 4P | AC 220V / AC 380V | DIN-rail | Distribution, commercial buildings |
| L2H | 40A – 63A | 2P / 4P | AC 110V / AC 220V | Modular / Panel | Commercial and backup-power panels |
| M2R | 40A – 100A | 2P / 3P / 4P | AC 110V / AC 220V | Panel | Commercial and light-industrial systems |
| G3M | 100A – 630A | 4P | AC 220V | Panel / Chassis | Generator integration, industrial power |
OEM / ODM
Services
Flexible customization to support your brand and market requirements.
Product Configuration
Current, poles, control voltage, functions and accessories
Branding & Labeling
Your logo, model number and customized labeling
Packaging Design
Customized color box, user manual and outer carton
Technical Support
Datasheets, manuals and project documentation
2026 PRODUCT RANGE
Explore the Complete ATS Catalog
Compare product families, current ranges, application guidance and technical data in one practical reference.
Download Catalog
A DIRECT PARTNER FOR
Your ATS Project
We work closely with our partners to provide reliable products, flexible customization and responsive support.
WilliamYour LSP Project PartnerVISIT LSP
Company Address
5th FL, Bldg 2, No. 888 Liujiang Road, Beibaixiang, Yueqing, Zhejiang 325603, China
View LocationPROJECT SUPPORT
Ask our team Frequently Asked Questions
What is an Automatic Transfer Switch (ATS)?+
An ATS automatically switches a load between the main and backup power sources when supply conditions change.
How do I choose the right ATS for my project?+
Contact our engineering team for a project-specific answer.
Do you offer OEM/ODM services?+
Contact our engineering team for a project-specific answer.
What is the typical lead time?+
Contact our engineering team for a project-specific answer.
Can you provide technical documentation?+
Contact our engineering team for a project-specific answer.
REQUEST A QUOTEA simpler way to
A simpler way to
start your project.
Tell us the essentials. Our engineering team will organize the product, OEM and application questions with you.
Global project supportClear communication for international B2B buyers.
Reply within one business dayPractical recommendations from the factory-side team.